Grass Aloes

Hi all,
I would love to find an Aloe hardy in my cold climate. I haven't gotten to
the grass Aloes yet, but it looks as if I should.
The book, "Guide to the Aloes of South Africa" by Ben-Erik van Wyk and
Gideon Smith, pub. by Briza Publications (Pretorioa), 2nd edition, 2003,
has a chapter on Grass Aloes. The species listed and illustrated. There
appear to be about 24 species.
Which species have folks in this list tried? How hardy are they? How hard
to grow?
Jim Shields
in central Indiana
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Jim Shields USDA Zone 5 Shields Gardens, Ltd.
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